use std::collections::HashMap;
use std::sync::RwLock;
pub const NF: &'static str = "not found";
lazy_static! {
    pub static ref MAP: HashMap<u32, &'static str> = {
        let mut m = HashMap::new();
        m.insert(0, "foo");
        m
    };
    pub static ref MAP_MUT: RwLock<HashMap<u32, &'static str>> =
    {
        let mut m = HashMap::new();
        m.insert(0, "bar");
        RwLock::new(m)
    };
}
